Remembering Hiroshima

The Atomic Bomb Dome is silhouetted at sunset in Hiroshima, western Japan, August 5, 2013. Hiroshima marks the 68th anniversary of the world's first atomic bombing. Shizuo Kambayashi/AP

A man prays for the atomic bomb victims at the Hiroshima Peace Memorial Park in Hiroshima, western Japan, August 6, 2013. Kyodo News/AP

Paper lanterns float along the Motoyasu River in front of the illuminated Atomic Bomb Dome in Hiroshima, western Japan, Aug. 6, 2012. Itsuo Inouye/AP

An Indian student with a painted face participates in a Hiroshima Day peace rally in Mumbai, India, Aug. 6, 2012.Rafiq Maqbool/AP

People burn incenses and pray in front of a cenotaph at the Peace Memorial Park in Hiroshima, western Japan, on the 67th anniversary of the atomic bombing on Hiroshima, Aug. 6, 2012. Itsuo Inouye/AP

A first-generation immigrant from Japan holds a lantern to remember the 67th anniversary of the atomic bombings of the cities of Hiroshima and Nagasaki, at Ibirapuera Park in Sao Paulo, Brazil, Aug. 5, 2012. Nacho Doce/Reuters

Students lie on the ground pretending to die in front of the Atomic Bomb Dome to mark the 67th anniversary of the atomic bombing in Hiroshima, western Japan, Aug. 6, 2012. Vincent Yu/AP

Girls pray after releasing a paper lantern on the Motoyasu River in remembrance of atomic bomb victims on the 65th anniversary of the bombing of Hiroshima on Aug 6, 2010. Japan marked the 65th anniversary of the US atomic bombing with the United States represented at the ceremony for the first time. Kyodo/Reuters

This Sept. 8, 1945 picture shows an allied correspondent standing in the rubble in front of the shell of a building that once was a movie theater in Hiroshima, Japan, a month after the first atomic bomb ever used in warfare was dropped by the United States on Aug. 6, 1945. Stanley Troutman/AP

With the gutted Atomic Bomb Dome as a backdrop, doves fly over the cenotaph of the Peace Memorial Park at Hiroshima, Japan, on Aug. 6, 2010. Hiroshima marked the 65th anniversary of the the world's first atomic bomb attack that devastated the western Japanese city at the closing days of World War II. Shuji Kajiyama/AP

In this Aug. 6, 1945, picture made available by the US Army via the Hiroshima Peace Memorial Museum, a mushroom cloud billows into the sky about one hour after an atomic bomb was detonated above Hiroshima, Japan. US Army via Hiroshima Peace Memorial Museum/AP

Women join a candle vigil in front of the illuminated Atomic Bomb Dome in Hiroshima, Japan, on Aug. 5, 2010, the eve of the 65th anniversary of the world's first atomic bomb attack. Shuji Kajiyama/AP

People holding lanterns march past the illuminated Atomic Bomb Dome, praying for the world peace in Hiroshima, Japan, on Aug. 5, 2010. Shuji Kajiyama/AP

United Nations Secretary-General Ban Ki-moon delivers a speech during the 65th anniversary of the 1945 atomic bombing at the Peace Memorial Park at Hiroshima, Japan, on Aug. 6, 2010. 'Life is short, but memory is long,' Ban said. 'For many of you, that day endures as vivid as the white light that seared the sky, as dark as the black rains that followed.' Ban added that the time has come to move from 'Ground Zero, to Global Zero' to a world without any nuclear arms. Shuji Kajiyama/AP

US Ambassador to Japan John Roos (looking upward) takes part in the 65th anniversary of the world's first atomic bombing in the Hiroshima Peace Memorial Park in Hiroshima, Japan, on Aug. 6, 2010. The United States sent its first ever delegation to the ceremony marking the anniversary of the attacks. Shigeyuki Inakuma/Kyodo News/AP

Survivors of the atomic bomb strike on Nagasaki, Japan, wind their way through the rubble of the city on Aug. 9, 1945. The National Archives/AP/FILE

Tsuyuko Nakao, 92 (r.) and Kinuyo Ikegami, 77, both bereaved family members of atomic bomb victims, console each other as they pray for the victims in front of the cenotaph at the Peace Memorial Park in Hiroshima, Japan, on Aug. 6, 2010. Hiroshima marked the 65th anniversary of the the world's first atomic bomb attack that devastated the western Japanese city at the closing days of World War II. Shuji Kajiyama/AP

People gather around the World Peace Bell in Berlin, Germany, on the eve of the 65th anniversary of the world's first atomic bomb attack at Hiroshima, Japan, on Aug. 5, 2010. Many people came to light remembrance candles at the Peace Bell for the country's annual commitment for peace. Markus Schreiber/AP

Palestinians at the seaport in Gaza City throw lanterns into the sea Aug. 5, 2010, during a protest to mark the 65th anniversary of the US nuclear attack during World War II on Hiroshima, Japan. Adel Hana/AP

Today marks the 68th anniversary of the dropping of an atomic bomb on the Japanese city of Nagasaki. The bomb, named “Fat Man,” was the first plutonium bomb ever to be deployed, and followed the Aug. 6 dropping of the uranium bomb “Little Boy” on Hiroshima.